87105940

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{18223}}^1$

素因数の和:18471

約数の個数: 24

約数和(自身を含む): 183697920

約数和(自身を除く): 96591980

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 18223, 36446, 72892, 91115, 182230, 364460, 4355297, 8710594, 17421188, 21776485, 43552970, 87105940]

約数ペア:

[(1, 87105940), (2, 43552970), (4, 21776485), (5, 17421188), (10, 8710594), (20, 4355297), (239, 364460), (478, 182230), (956, 91115), (1195, 72892), (2390, 36446), (4780, 18223)]